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Science News Archive September 2022 - Page 22


Page 22 of 38

Gwangju Institute of Science and Technology researchers pave the way for large-scale, efficient organic solar cells with water treatment

Researchers from Gwangju Institute of Science and Technology developed a method to control active layer morphology in organic solar cells using water treatment. This approach led to more uniform thin films and higher power conversion efficiencies compared to non-treated samples. The study paves the way for large-scale, efficient organi...

SourceGIST (Gwangju Institute of Science and Technology)·JournalAdvanced Functional Materials·TypeExperimental study·DateSep 15, 2022

Her work helped her boss win the Nobel Prize. Now the spotlight is on her

Researchers Susanne Horn and Jonathan Aurnou have refined and expanded upon Elbert's original predictions about the generation of planetary magnetic fields. They predict different regimes of convective behavior when subject to both rotation and magnetic fields, making new predictions for planetary and stellar magnetic field generation.

SourceUniversity of California - Los Angeles·JournalProceedings of the Royal Society A Mathematical Physical and Engineering Sciences·DateSep 15, 2022

Small proteins play big role in cellular energy balance

Scientists at Duke-NUS Medical School have discovered the critical role of small microproteins in assembling larger protein complexes inside energy-generating cell components known as mitochondria. The study highlights how microproteins regulate energy supply and mitigate mitochondrial dysfunction, a feature underlying various diseases.

SourceDuke-NUS Medical School·JournalCell Reports·TypeExperimental study·DateSep 15, 2022

When microbiomes collide

A team of EMBL researchers used data from over 300 human faecal microbiota transplants to investigate the ecological understanding of what happens when two gut microbiomes clash together. The study found that species richness and how different a recipient's gut microbiome is from a donor's are key factors in determining which microorga...

SourceEuropean Molecular Biology Laboratory·JournalNature Medicine·DateSep 15, 2022

No labels? No problem!

Researchers developed an AI diagnostic tool called CheXzero that can detect diseases on chest X-rays from natural-language descriptions contained in accompanying clinical reports. The model performed on par with human radiologists and was trained without laborious human annotation of data, making it a major advance in clinical AI design.

SourceHarvard Medical School·JournalNature Biomedical Engineering·TypeComputational simulation/modeling·DateSep 15, 2022

Hotel smoking restrictions fail to fully protect guests from thirdhand smoke

A new study by San Diego State University analyzed 332,277 TripAdvisor guest reviews and found that designated smoking and non-smoking rooms are insufficient for protecting guests from thirdhand smoke. Hotels that adopted 100% smoke-free policies had significantly fewer complaints related to tobacco pollution.

SourceSan Diego State University·JournalTobacco Use Insights·TypeData/statistical analysis·DateSep 15, 2022

Moral values explain differences in COVID-19 vaccination rates across US counties

A study from USC Dornsife reveals that moral values, including care, fairness, loyalty, authority, and purity, predict regional differences in COVID-19 vaccination rates. Counties with residents prioritizing purity were less likely to be vaccinated, while those emphasizing loyalty and fairness had higher vaccination rates.

SourceUniversity of Southern California·JournalAmerican Psychologist·TypeData/statistical analysis·DateSep 15, 2022

Repeated infections associated with increased risk of some neurodegenerative diseases

A new study published in PLOS Medicine found that people with hospital-treated infections in early- and mid-life had a higher risk of developing Alzheimer's disease (AD) and Parkinson's disease (PD). The research analyzed data on over 291,000 cases and matched controls to identify the association between infections and neurodegenerativ...

SourcePLOS·JournalPLOS Medicine·TypeObservational study·DateSep 15, 2022

Stevens ACES Program that identifies and nurtures STEM talent in underserved communities is awarded $750,000 from the U.S. Department of Education

The Stevens ACES program has been awarded a $750,000 grant to expand its STEM education initiatives in underserved communities. The program provides full-tuition scholarships and academic support to high school students from these communities, with a remarkable success record for inspiring students to pursue STEM careers.

Egg powder suitable as a food supplement?

A recent study led by Veronika Somoza found that egg powder is a valuable source of essential nutrients, including vitamins and indispensable amino acids. The researchers discovered that the drying process did not lead to contamination with heavy metals and that egg powder can provide up to 61% of a child's daily requirement for selenium.

SourceLeibniz-Institut für Lebensmittel-Systembiologie an der TU München·JournalFrontiers in Nutrition·TypeExperimental study·DateSep 15, 2022

Peng Hailin Group reports an ultrathin single-crystalline dielectric for two-dimensional electronics

Peng Hailin's group reports a novel dielectric material, β-Bi2SeO5, with excellent insulativity and high dielectric constant. The ultrathin single-crystalline dielectric can be scaled down to an EOT of 0.41 nm in two-dimensional field-effect transistors, meeting the requirements of the International Roadmap for Devices and Systems.

SourcePeking University·JournalNature Electronics·TypeExperimental study·DateSep 15, 2022

A team of MIT, Harvard and Stanford scientists finds “weaker ties” are more beneficial for job seekers on LinkedIn

A large-scale experimental study by Harvard, Stanford, and MIT researchers found that weaker social connections on LinkedIn have a greater beneficial effect on job mobility than stronger ties. Weaker ties increased the likelihood of job mobility the most, while strongest ties had the least impact.

SourceMIT Sloan School of Management·JournalScience·TypeExperimental study·DateSep 15, 2022

MBE-CQEC: A new scheme to correct quantum errors

Researchers have developed a new error correction technique called MBE-CQEC, which uses continuous measurement to detect and correct quantum errors. This approach is potentially powerful for quantum computers, but still requires experimental validation and has limitations as the number of qubits increases.

SourceOkinawa Institute of Science and Technology (OIST) Graduate University·JournalPhysical Review Research·TypeComputational simulation/modeling·DateSep 15, 2022

Semiconductor optical amplifier (SOA) helps high-precision measurements of atmospheric CO2 column

Researchers from Hefei Institutes of Physical Science developed a new method using a semiconductor optical amplifier to enhance the signal-to-noise ratio and improve the precision of atmospheric CO2 column measurements. The novel approach, published in Optics Letter, has great potential for remote sensing of atmospheric greenhouse gases.

Study shows potential of Southern cattail for phytoremediation of areas contaminated by mine tailings

Researchers found that the Southern cattail plant can scavenge up to 34 times more manganese from contaminated soil than other plants. The study suggests its potential for sustainable rehabilitation of areas affected by iron mine tailings, demonstrating its high efficiency in phytoremediation.

SourceFundação de Amparo à Pesquisa do Estado de São Paulo·JournalJournal of Cleaner Production·DateSep 15, 2022

Strawberries were smaller when bees ingested pesticides

A new study from Lund University found that solitary bees ingesting the pesticide clothianidin resulted in slower bees and smaller strawberries. The research team also discovered that the substance impaired the bees' ability to pollinate strawberry flowers, highlighting the complex effects of pesticides on bee behavior.

SourceLund University·JournalPLOS ONE·DateSep 15, 2022

Study: Astronomers risk misinterpreting planetary signals in James Webb data

A new MIT study suggests that current opacity models used by astronomers may not be accurate enough to interpret the precise light-based signals from the James Webb Space Telescope. The researchers predict that properties of planetary atmospheres, such as temperature and elemental composition, could be off by an order of magnitude if e...

SourceMassachusetts Institute of Technology·JournalNature Astronomy·DateSep 15, 2022

Talk with your hands? You might think with them too!

A study by Osaka Metropolitan University's Professor Shogo Makioka and colleagues investigates embodied cognition mechanisms in the brain. The researchers found that when participants' hands were restrained, brain activity related to semantic processing of words decreased, and verbal responses became slower. These findings support the ...

SourceOsaka Metropolitan University·JournalScientific Reports·TypeExperimental study·DateSep 15, 2022

Physicists demo method for designing topological metals

Researchers from Rice University and partners identified three promising candidate materials using a new framework that cross-references information in a database of known materials with theoretical calculations. The method could help explore strongly correlated topological matter, a large and largely uninvestigated landscape.

SourceRice University·JournalNature Physics·TypeExperimental study·DateSep 15, 2022

Different stromal cell subsets exhibit different functions, study says

Researchers identified two distinct stromal cell subsets in mouse lymph nodes, CD41+ Lyve1+ and CD41+ Lyve1-, with different functions. The CD41+ Lyve1- subset provides a microenvironment for immune cell interaction, while the CD41+ Lyve1+ subset is recycled throughout the body to replenish the subset in the lymph nodes.

Identifying research priorities for security and safety threats in the Arctic and the North-Atlantic

Researchers from the University of Portsmouth have adapted a PICK chart and mathematical goal-seeking technique to prioritize maritime safety and security needs in the ANA region. The new method aims to ensure that pressing research and innovation are undertaken among governments, industry, and security organizations.

SourceUniversity of Portsmouth·JournalEuropean Journal of Operational Research·TypeSurvey·DateSep 15, 2022

Aging | Extracellular microRNA and cognitive function in a prospective cohort of older men: The veterans affairs normative aging study

A new study has found associations between plasma miRNAs and cognitive function among cognitively normal men, including those with higher MMSE scores and slower rates of cognitive decline. These findings suggest that extracellular microRNAs may play a role in the early stages of cognitive decline.

SourceImpact Journals LLC·JournalAging-US·TypeObservational study·DateSep 15, 2022